ddd ddg ddo ddr ddw dgd dgg dgr dgw dod dog doo dor dow drd drg dro drr drw dwg dwo dwr dww g-d gdd gdo gdr gdw ggd ggg ggo ggr ggw god gog goo gor gow grd grg gro grr grw gwd gwg gwr odd odg odo odr ogd ogg ogo oo- ood oog ooo oor oow or- ord org oro orr owd owo oww rdd rdg rdo rdr rgd rgg rgo rgr rgw rod rog roo ror row rrd rrg rrr rwd rwr wdg wdr wgo wgr wgw wod wog woo wor wow wr- wrd wrg wro wrr wrw wwd wwo www